<!--
 * @Descripttion: 
 * @version: 
 * @Author: CYZ
 * @Date: 2020-07-20 18:22:09
 * @LastEditors: CYZ
 * @LastEditTime: 2020-08-17 17:08:17
--> 
<template>
  <div
    ref="node"
    :style="nodeContainerStyle"
    @click="clickNode"
    @dblclick="clickNodeDB"
    @mouseup="changeNodeSite"
    :class="nodeContainerClass"
  >
    <!-- 最左侧的那条竖线 -->
    <div class="ef-node-left"></div>
    <!-- 节点类型的图标 -->
    <div class="ef-node-left-ico flow-node-drag">
      <i :class="nodeIcoClass"></i>
    </div>
    <!-- 节点名称 -->
    <div class="ef-node-text" :show-overflow-tooltip="true">({{nodeindex+1}}){{node.name}}</div>

    <!-- 节点状态图标 -->
    <div class="ef-node-right-ico">
      <i class="el-icon-circle-check el-node-state-success" v-show="node.state === 'success'"></i>
      <i class="el-icon-circle-close el-node-state-error" v-show="node.state === 'error'"></i>
      <i class="el-icon-warning-outline el-node-state-warning" v-show="node.state === 'warning'"></i>
      <i class="el-icon-loading el-node-state-running" v-show="node.state === 'running'"></i>
    </div>
  </div>
</template>

<script>
export default {
  props: {
    node: Object,
    activeElement: Object,
    nodeindex:Number
  },
  data() {
    return {};
  },
  computed: {
    nodeContainerClass() {
      return {
        "ef-node-container": true,
        "ef-node-active":
          this.activeElement.type == "node"
            ? this.activeElement.nodeId === this.node.id
            : false
      };
    },
    // 节点容器样式
    nodeContainerStyle() {
      return {
        top: this.node.top,
        left: this.node.left
      };
    },
    nodeIcoClass() {
      var nodeIcoClass = {};
      nodeIcoClass[this.node.ico] = true;
      // 添加该class可以推拽连线出来
      nodeIcoClass["flow-node-drag"] = true;
      return nodeIcoClass;
    }
  },
  methods: {
    // 点击节点
    clickNode() {
      this.$emit("clickNode", this.node.id);
    },
    clickNodeDB() {
      console.log('this.node.name',this.node.name);
      this.$emit("clickNodeDB", this.node.id,this.node.name);
    },
    // 鼠标移动后抬起
    changeNodeSite() {
      // 避免抖动
      if (
        this.node.left == this.$refs.node.style.left &&
        this.node.top == this.$refs.node.style.top
      ) {
        return;
      }
      this.$emit("changeNodeSite", {
        nodeId: this.node.id,
        left: this.$refs.node.style.left,
        top: this.$refs.node.style.top
      });
    }
  }
};
</script>
